220816100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 546631680

約数和(自身を除く): 325815580

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 25, 31, 38, 46, 50, 62, 76, 92, 95, 100, 115, 124, 155, 163, 190, 230, 310, 326, 380, 437, 460, 475, 575, 589, 620, 652, 713, 775, 815, 874, 950, 1150, 1178, 1426, 1550, 1630, 1748, 1900, 2185, 2300, 2356, 2852, 2945, 3097, 3100, 3260, 3565, 3749, 4075, 4370, 5053, 5890, 6194, 7130, 7498, 8150, 8740, 10106, 10925, 11780, 12388, 13547, 14260, 14725, 14996, 15485, 16300, 17825, 18745, 20212, 21850, 25265, 27094, 29450, 30970, 35650, 37490, 43700, 50530, 54188, 58900, 61940, 67735, 71231, 71300, 74980, 77425, 93725, 96007, 101060, 116219, 126325, 135470, 142462, 154850, 187450, 192014, 232438, 252650, 270940, 284924, 309700, 338675, 356155, 374900, 384028, 464876, 480035, 505300, 581095, 677350, 712310, 960070, 1162190, 1354700, 1424620, 1780775, 1920140, 2208161, 2324380, 2400175, 2905475, 3561550, 4416322, 4800350, 5810950, 7123100, 8832644, 9600700, 11040805, 11621900, 22081610, 44163220, 55204025, 110408050, 220816100]

約数ペア:

[(1, 220816100), (2, 110408050), (4, 55204025), (5, 44163220), (10, 22081610), (19, 11621900), (20, 11040805), (23, 9600700), (25, 8832644), (31, 7123100), (38, 5810950), (46, 4800350), (50, 4416322), (62, 3561550), (76, 2905475), (92, 2400175), (95, 2324380), (100, 2208161), (115, 1920140), (124, 1780775), (155, 1424620), (163, 1354700), (190, 1162190), (230, 960070), (310, 712310), (326, 677350), (380, 581095), (437, 505300), (460, 480035), (475, 464876), (575, 384028), (589, 374900), (620, 356155), (652, 338675), (713, 309700), (775, 284924), (815, 270940), (874, 252650), (950, 232438), (1150, 192014), (1178, 187450), (1426, 154850), (1550, 142462), (1630, 135470), (1748, 126325), (1900, 116219), (2185, 101060), (2300, 96007), (2356, 93725), (2852, 77425), (2945, 74980), (3097, 71300), (3100, 71231), (3260, 67735), (3565, 61940), (3749, 58900), (4075, 54188), (4370, 50530), (5053, 43700), (5890, 37490), (6194, 35650), (7130, 30970), (7498, 29450), (8150, 27094), (8740, 25265), (10106, 21850), (10925, 20212), (11780, 18745), (12388, 17825), (13547, 16300), (14260, 15485), (14725, 14996)]